EP0705362A4 - Verbessertes verfahren zur delignifizierung eines lignocellulosischen materials mittels ozone/persäure - Google Patents

Verbessertes verfahren zur delignifizierung eines lignocellulosischen materials mittels ozone/persäure

Info

Publication number
EP0705362A4
EP0705362A4 EP94912346A EP94912346A EP0705362A4 EP 0705362 A4 EP0705362 A4 EP 0705362A4 EP 94912346 A EP94912346 A EP 94912346A EP 94912346 A EP94912346 A EP 94912346A EP 0705362 A4 EP0705362 A4 EP 0705362A4
Authority
EP
European Patent Office
Prior art keywords
delignifying
lignocellulosic material
improved ozone
peracid process
peracid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP94912346A
Other languages
English (en)
French (fr)
Other versions
EP0705362A1 (de
Inventor
Raymond C Francis
Xiao-Zhu Zhang
Nicholas A Troughton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Research Foundation of State University of New York
Solvay Interox Inc
Original Assignee
Research Foundation of State University of New York
Solvay Interox Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Research Foundation of State University of New York, Solvay Interox Inc filed Critical Research Foundation of State University of New York
Publication of EP0705362A1 publication Critical patent/EP0705362A1/de
Publication of EP0705362A4 publication Critical patent/EP0705362A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
EP94912346A 1993-03-22 1994-03-22 Verbessertes verfahren zur delignifizierung eines lignocellulosischen materials mittels ozone/persäure Withdrawn EP0705362A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34092 1993-03-22
US08/034,092 US5411635A (en) 1993-03-22 1993-03-22 Ozone/peroxymonosulfate process for delignifying a lignocellulosic material
PCT/US1994/003447 WO1994021856A1 (en) 1993-03-22 1994-03-22 Improved ozone/peracid process for delignifying a lignocellulosic material

Publications (2)

Publication Number Publication Date
EP0705362A1 EP0705362A1 (de) 1996-04-10
EP0705362A4 true EP0705362A4 (de) 1997-02-26

Family

ID=21874258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94912346A Withdrawn EP0705362A4 (de) 1993-03-22 1994-03-22 Verbessertes verfahren zur delignifizierung eines lignocellulosischen materials mittels ozone/persäure

Country Status (9)

Country Link
US (1) US5411635A (de)
EP (1) EP0705362A4 (de)
JP (1) JPH08511308A (de)
AU (1) AU683461B2 (de)
BR (1) BR9405953A (de)
CA (1) CA2158563A1 (de)
FI (1) FI954463A (de)
NO (1) NO953712D0 (de)
WO (1) WO1994021856A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5656130A (en) * 1995-04-28 1997-08-12 Union Camp Holding, Inc. Ambient temperature pulp bleaching with peroxyacid salts
FI964715A (fi) * 1996-11-26 1998-05-27 Keskuslaboratorio Menetelmä selluloosamassan valkaisemiseksi
EP0931874A1 (de) * 1998-01-22 1999-07-28 Degussa-Hüls Aktiengesellschaft Verfahren zum Bleichen von Pulpe umfassend eine Endstufe in welcher die Pulpe mit einem Salz von Peroxymonoschwefelsäure behandelt wird
WO2000008251A1 (en) * 1998-07-31 2000-02-17 Asia Pulp & Paper Co. Ltd. An improved method for bleaching pulp
EP1101860A1 (de) * 1999-11-19 2001-05-23 Praxair Technology, Inc. Verfahren zum Bleichen von Pulpe mittels aktivem Ozon
US6830578B2 (en) * 2001-11-26 2004-12-14 Neosurg Technologies, Inc. Trocar
US6960164B2 (en) * 2003-08-01 2005-11-01 Neosurg Technologies, Inc. Obturator tip for a trocar
US20050040065A1 (en) * 2003-08-22 2005-02-24 O'heeron Peter T. Medical procedure kit
US7320694B2 (en) * 2004-03-11 2008-01-22 Coopersurgical, Inc. Obturator tip
JP4967451B2 (ja) 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 漂白パルプの製造方法
US20080087390A1 (en) * 2006-10-11 2008-04-17 Fort James Corporation Multi-step pulp bleaching
BRPI0821031B1 (pt) * 2007-12-20 2018-05-15 Mitsubishi Gas Chemical Company, Inc. Processo para produção de polpa alvejada
CN106283794B (zh) * 2016-11-02 2017-11-21 江南大学 一种利用臭氧去除麻纤维木质素的方法
CA3120959A1 (en) * 2018-11-29 2020-06-04 Rise Innventia Ab Method of producing holocellulose and paper strength agent, process for the production of paper, the paper produced and use of the produced paper
JP7529399B2 (ja) * 2018-12-31 2024-08-06 ユニ・チャーム株式会社 パルプ繊維原料を製造する方法、及びセルロース原料としてのパルプ繊維原料

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0325890A1 (de) * 1988-01-25 1989-08-02 Acetocell GmbH & Co. KG Verfahren zur Behandlung von Lignin enthaltender Cellulosemasse mit Ozon
JPH05302287A (ja) * 1992-04-22 1993-11-16 O D S:Kk パルプ漂白方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA902861A (en) * 1969-11-27 1972-06-20 Pulp And Paper Research Institute Of Canada Bleaching of cellulosic pulp
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
US4475984A (en) * 1981-08-17 1984-10-09 International Paper Co. Process for pretreating wood chips with monoperoxy sulfuric acid or its salts prior to alkaline pulping
US4404061A (en) * 1981-08-17 1983-09-13 International Paper Company Bleaching of lignocellulosic materials with monopersulfuric acid or its salts
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage
DE3544398A1 (de) * 1985-12-16 1987-06-19 Sueddeutsche Kalkstickstoff Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten
US4773966A (en) * 1986-09-29 1988-09-27 Regents Of The University Of Minnesota Oxidative degradation of lignin with inorganic metal complexes
US4902381A (en) * 1988-12-09 1990-02-20 Kamyr, Inc. Method of bleaching pulp with ozone-chlorine mixtures
US5004523A (en) * 1989-03-30 1991-04-02 The United States Of America As Represented By The Secretary Of Agriculture Delignification of lignocellulosic materials with monoperoxysulfuric acid
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0325890A1 (de) * 1988-01-25 1989-08-02 Acetocell GmbH & Co. KG Verfahren zur Behandlung von Lignin enthaltender Cellulosemasse mit Ozon
JPH05302287A (ja) * 1992-04-22 1993-11-16 O D S:Kk パルプ漂白方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 9350, Derwent World Patents Index; Class E36, AN 93-400711, XP002018397 *
See also references of WO9421856A1 *

Also Published As

Publication number Publication date
AU683461B2 (en) 1997-11-13
AU6494894A (en) 1994-10-11
CA2158563A1 (en) 1994-09-29
JPH08511308A (ja) 1996-11-26
NO953712L (no) 1995-09-20
NO953712D0 (no) 1995-09-20
US5411635A (en) 1995-05-02
FI954463A (fi) 1995-10-19
EP0705362A1 (de) 1996-04-10
WO1994021856A1 (en) 1994-09-29
FI954463A0 (fi) 1995-09-21
BR9405953A (pt) 1995-12-19

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Legal Events

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18D Application deemed to be withdrawn

Effective date: 19990105